[He pauses, wondering which question to address first. It's tempting to speak of his love for his sister, but he knows Frey well enough to know that he won't understand. He needs to clear up the human's misunderstandings over his inability to trust before diverging to a different argument. But there's a backwards comfort in knowing that the gap of misunderstanding will remain securely between them.]

There have been very few. For a long time, one of my most trusted companions was a human. I regarded him as a teacher and an ally, but he too betrayed me in the end. I had even given him a second chance, something he clearly did not deserve - each time I depended on him, he only turned his back.

[He takes a breath before too many feelings come tumbling out, the kind the betray just how hurt he was by Kratos drifting away from him all that time ago.]

...Sayo is different. [His voice softens almost imperceptibly.] She isn't like other humans. [The same insecurities still linger. A part of him still expects her to abandon him any day. But she's proven herself to him over and over again, and he's learning to believe in her.]